now i could not safe any page after updatehttp://www.guter-schlafplatz.at/wp-admin/post.php
Warning: Cannot modify header information - headers already sent by (output started at /home/gutersch/public_html/wp-content/plugins/volcano-widget/VolcanoWidget.php:74) in /home/gutersch/public_html/wp-includes/pluggable.php on line 876